from django.db import models
from django.contrib.auth.models import AbstractUser
from itsdangerous import TimedJSONWebSignatureSerializer as TJSWSerializer
from django.conf import settings
from utils.models import BaseModel


class User(AbstractUser):
    mobile = models.CharField(max_length=11, unique=True, verbose_name="手机号")
    email_active = models.BooleanField(default=False,verbose_name="邮箱激活状态")
    default_address = models.ForeignKey('Address', related_name='users', null=True, blank=True,on_delete=models.SET_NULL, verbose_name='默认地址')
    class Meta:
        db_table = "tb_users"

    def __str__(self):
        return self.username

        # 生成验证的链接

    def generate_verify_url(self):
        # 1,生成数据
        token = {"user_id": self.id, "email": self.email}

        # 2,加密数据
        serializer = TJSWSerializer(secret_key=settings.SECRET_KEY, expires_in=300)
        token = serializer.dumps(token)

        # 3,拼接到url地址中
        verify_url = "http://www.meiduo.site:8080/success_verify_email.html?token=%s" %token.decode()
        return verify_url

    @classmethod
    def decode_token(cls,token):
        # 要解开这个JWT这个问题的话必须创建这个对象
        serializer = TJSWSerializer(secret_key=settings.SECRET_KEY, expires_in=300)
        # 解密数据
        try:
            dict_data = serializer.loads(token)
            user_id = dict_data.get("user_id")
            user = User.objects.get(id=user_id)
        except Exception:
            return None

        return user

class Address(BaseModel):
    """
    用户地址
    """
    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='addresses', verbose_name='用户')
    title = models.CharField(max_length=20, verbose_name='地址名称')
    receiver = models.CharField(max_length=20, verbose_name='收货人')
    province = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='province_addresses', verbose_name='省')
    city = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='city_addresses', verbose_name='市')
    district = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='district_addresses', verbose_name='区')
    place = models.CharField(max_length=50, verbose_name='地址')
    mobile = models.CharField(max_length=11, verbose_name='手机')
    tel = models.CharField(max_length=20, null=True, blank=True, default='', verbose_name='固定电话')
    email = models.CharField(max_length=30, null=True, blank=True, default='', verbose_name='电子邮箱')
    is_deleted = models.BooleanField(default=False, verbose_name='逻辑删除')

    class Meta:
        db_table = 'tb_address'
        verbose_name = '用户地址'
        verbose_name_plural = verbose_name
        ordering = ['-update_time']




















































